What is the difference between supscript and subscript?

Answer 1

Superscript is used to add powers like raising 2^2 and subscript is used mostly for chemical equations like H2O (the 2 will be smaller and will appear at the bottom right of H)

Answer 2

https://code.sololearn.com/Wjbd47qsP1M0/?ref=app

Answer 3

-- http://htmldog.com/techniques/superscript/
--http://pd.chem.ucl.ac.uk/pdnn/internet/subsuper.htm